Description
Discover the Surly Grappler Bike – the ultimate 27.5″ steel trail bike designed for passionate riders seeking versatility, durability, and performance. In the striking Purple Dust Bunny color and available in X-Small size, this bike offers a perfect blend of rugged engineering and sleek style for trail, bikepacking, and dirt rider adventures.
Materials & Frame Engineering:
Constructed with 100% Surly Chromoly steel, the Grappler boasts a proprietary ‘Natch tubing and a double-butted main triangle for enhanced strength and comfort. Its steel fork, paired with E-coated frame components, ensures increased longevity and resistance to the elements, making it a reliable companion on demanding terrains and all-weather conditions. The rigid design and steel construction deliver a lively, responsive feel that delights trail riders.
Performance & Components:
Equipped with 27.5″ x 2.8″ tire clearance, this bike handles loose dirt, gravel, and technical singletracks with ease, whether you’re running tubeless setups or fenders. The disc brake system provides powerful, modulation braking, crucial for controlled descents and variable trail conditions. Thru-axle front and rear attachments (15mm Thru x 110mm at the front and 12mm Thru x 145mm at the rear) offer unmatched stiffness, precise handling, and improved wheel compatibility.
Technology & Compatibility:
Designed around Surly’s Gnot-Boost spacing, the Grappler supports 142mm or 148mm rear hubs, accommodating internal geared hubs or single-speed configurations to tailor your ride. Features include horizontal-slotted dropouts, top and bottom pack mounts, stealth dropper post routing, and multiple bottle bosses-making this bike perfect for daily trail adventures or extended bikepacking trips.
Style & Use Case:
The vibrant Purple Dust Bunny finish adds a bold touch to your trail setup, while the X-Small frame size ensures a tailored fit for smaller riders. The drop-bar configuration combines the comfort of a mountain bike with the efficiency of a gravel bike, making it ideal for double track, single track, and degraded surfaces. Whether you’re hauling gear on multi-day adventures or enjoying quick dirt rides, the Grappler is your reliable, versatile companion.
Innovative & Differentiating Features:
– Surly’s proprietary ‘Natch tubing for durability and ride quality
– E-coated frame for increased lifespan
– Adjustable Gnot-Boost spacing supporting multiple hub standards
– Integrated stealth dropper post routing for modern mountain bike functionality
– Ample tire clearance for versatility in various terrains and setups
Gear up with the Surly Grappler Bike and elevate your trail riding and bikepacking adventures. Built for resilient performance, customizable setups, and all-day comfort, this steel trail bike is ready to conquer the toughest off-road challenges.
- Optimized for durability and performance, the Surly Grappler Bike features a 100% chromoly steel frame and fork constructed with Surly’s proprietary Natch tubing, ensuring strength, flex, and long-lasting ride quality.
- Designed for trail versatility, it offers 27.5-inch wheels with up to 2.8-inch tire clearance, making it ideal for singletrack, dirt roads, and bikepacking adventures on degraded surfaces.
- Equipped with thru-axles (12mm rear and 15mm front) and Gnot-Boost spacing, this bike delivers exceptional stiffness, precise handling, and compatibility with various hub setups, including internally geared hubs and single-speed configurations.
- The Surly Grappler’s mountain-inspired geometry and drop-bar ergonomic design provide a comfortable, confident riding position on technical trails and extended dirt rides, perfect for versatile off-road use.
- Featuring practical mounting points like bottle bosses, three-pack mounts, and stealth dropper post routing, this steel trail bike is built for adventure, customization, and rugged durability in a striking Purple Dust Bunny finish.
| Rear Axle | 12mm Thru x 145mm |
| TT (Effective) | 560 |
| Brake Type | Disc |
| Fork Type | Rigid |
| Fork Material | Steel |
| Frame Material | Steel |
| Frame Type | Rigid |
| Front Axle | 15mm Thru x 110mm |
| Color | Purple Dust Bunny |
| Mfg Size | X-Small |
| Platform | Grappler |
| Wheel Size | 27.5″ |
| Defined Color | Purple |






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